Pagadala Suneelkumar

Network Operations and NOC Engineer with 10+ years of experience across enterprise and telecom environments. Skilled in 24x7 network monitoring, incident management, troubleshooting, routing and switching support, network migrations, IP address planning, vendor/ISP coordination and SLA-driven service restoration. Hands-on with Cisco and Huawei network infrastructure, Layer 2 technologies, SolarWinds and other NMS platforms, and ServiceNow, with strong cross-functional escalation across network, firewall, telecom and infrastructure teams.

Additional Cisco Unified

Communications experience adds broader telecom and enterprise infrastructure exposure.

Network Support Senior Analyst at NTT DATA (2022-10 – Present)

Network Operations & Infrastructure Support and Cisco Unified Communications / Telecom Support

• Monitor network and system alerts in a 24x7 NOC environment using SolarWinds and respond to incidents in line with defined SLA targets.
• Perform incident triage, ticket management, documentation and workflow tracking through ServiceNow.
• Troubleshoot connectivity failures, hardware issues, service outages and network/system incidents; resolve L1–L3 incidents and escalate complex cases to the appropriate engineering teams.
• Perform basic troubleshooting on Cisco routers, switches and Palo Alto firewalls, and support IP addressing and basic network configuration activities.
• Coordinate with network, firewall, telecom, L3 engineering, vendors and service providers for complex incident resolution, hardware replacement and ISP-related issues.
• Support service restoration and SOP adherence; create and maintain troubleshooting procedures for recurring incidents.
• Support Cisco CUCM, Unity Connection and UCCX environments and collaborate with network/firewall teams on enterprise connectivity issues.
• Work with telecom carriers, ISPs and vendors on SIP, PRI and PSTN connectivity issues.
• Use RTMT, system logs and basic trace analysis for incident troubleshooting; support Expressway/MRA connectivity issues.

Senior NOC Engineer at ACT Fibernet (2015-06 – 2022-10)

• Monitored and troubleshot network incidents and escalated issues in a 24x7 NOC environment, maintaining network availability and SLA timelines.
• Diagnosed and resolved internet connectivity, no-browsing and customer-reported network issues through structured troubleshooting and fault isolation.
• Installed, configured and maintained Cisco and Huawei routers and switches supporting access and telecom network operations.
• Monitored network devices and performance using EVEREST, OMD, MRTG and SolarWinds; used Nagios, CACTI and CENTREON for NMS monitoring.
• Supported IP pool design and IP address planning for access networks.
• Played a key role in network migration activities and supported changes with minimal service disruption.
• Implemented and troubleshot Layer 2 technologies including VLANs, STP, EtherChannel, LACP and Port Security.
• Implemented and supported 802.1Q/QinQ on Layer 3 devices and performed network troubleshooting, monitoring and fault isolation.
• Backed up network-device configurations using TFTP servers and Python scripts.
• Conducted monthly network audits, identified deviations/non-compliance and recommended operational improvements.
• Coordinated with OFC teams, ISPs and field engineers to resolve outages, restore services and support network expansion.

Bachelor of Technology (B.Tech.) in Electrical & Electronics Engineering – AVS College of Engineering and Technology (2008)